. >>> and we're getting late word that norman schwarzkopf has died. stormin norman was commander during the first gulf war. and he was 78. >>> we turn now to that debate over gun control. last night here, the picture from los angeles, drivers lined up for blocks, returning guns for gift certificates. 2,000 guns returned. barely two weeks now after the newtown shootings, another debate. should teachers be allowed to bring guns to school. in a new poll, it suggests 64% of americans think arming at least one official would be some what effective. tonight, meet the teachers who think they should be armed, too. here's cecilia vega. >> okay, so, now what do i do? >> reporter: the gun is fake, but these utah teachers fear the threat facing their classrooms is very real. today, 200 of those teachers became students -- >> ready to fire. >> reporter: packing a conference room on their holiday break to learn how to carry a concealed weapon on the job. and how to protect their schools from an armed intruder. >> the safety is the biggest part. and to be able to us